CN115930544B - Temperature control device and control method for storage equipment and storage equipment - Google Patents
Temperature control device and control method for storage equipment and storage equipment Download PDFInfo
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- 238000005057 refrigeration Methods 0.000 claims abstract description 81
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- 239000000498 cooling water Substances 0.000 description 1
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Abstract
The invention relates to the technical field of logistics transportation, in particular to a temperature control device and a control method for storage equipment, and the storage equipment, wherein the temperature control device comprises a refrigeration unit, a refrigeration cycle system and a control unit; the refrigeration unit is used for providing a cold source for the refrigeration cycle system; the refrigeration cycle system comprises a plurality of cooling pipes, a cooling pipeline system and a cooling exhaust pipeline system; the cooling pipes are in one-to-one correspondence with the accommodating cavities, and the cooling pipeline system can selectively provide a cooling source for one or more cooling pipes; the cold exhaust pipeline system can selectively lead out cold sources of one or more cooling pipes; the cooling pipeline system and the cooling exhaust pipeline system are respectively connected with the outlet end and the inlet end of the refrigeration unit; the control unit is used for controlling the valves on the cold supply pipeline system and the cold discharge pipeline system according to the temperature in the accommodating cavity so as to enable the cold source to be selectively conveyed to the corresponding accommodating cavity. The invention solves the problem of refrigeration resource waste caused by the adoption of a unified refrigeration mode in the conventional storage equipment.
Description
Technical Field
The invention relates to the technical field of logistics transportation, in particular to a temperature control device and method for storage equipment and the storage equipment.
Background
Along with the rapid development of social economy, the life rhythm of people is continuously accelerated, and the consumption habit of residents is gradually transferred from off-line to on-line. Wherein, the fresh electronic commerce is in the vigorous development stage. The fresh product has higher requirements for logistics transportation due to the characteristics of fresh activity, perishability, easy deterioration, timeliness, seasonal variability and the like.
The highest key point of logistics transportation of fresh products is that the fresh-keeping is realized by temperature control, and the temperature control of the fresh products mainly comprises two aspects, namely, the temperature control in the transportation process and the temperature control in the distribution process. Wherein, the temperature control in the delivery process is mainly embodied in the temperature control of the storage equipment.
The temperature of the existing storage equipment is generally uniformly refrigerated, and when fresh products are not placed in all storage grooves in the storage equipment, the refrigeration mode can cause refrigeration resource waste.
Disclosure of Invention
The invention aims to provide a temperature control device for storage equipment, which solves the problem of refrigeration resource waste caused by the adoption of a unified refrigeration mode in the existing storage equipment.
In addition, the invention also comprises a control method for the temperature control device and storage equipment comprising the temperature control device.
The invention is realized by the following technical scheme:
the temperature control device for the storage equipment comprises a refrigeration unit, a refrigeration cycle system and a control unit;
the refrigeration unit is used for providing a cold source for the refrigeration cycle system;
the refrigeration cycle system is used for conveying cold sources to storage equipment, and the storage equipment comprises a plurality of accommodating cavities which are arranged in a matrix; the refrigeration cycle system comprises a plurality of cooling pipes, a cooling pipeline system and a cooling exhaust pipeline system; the cooling pipes are in one-to-one correspondence with the accommodating cavities, the cooling pipeline system is connected with inlets of the cooling pipes, and the cooling pipeline system can selectively provide cold sources for one or more cooling pipes; the cold discharge pipeline system is connected with outlets of the cooling pipes and can selectively lead out cold sources of one or more cooling pipes; the cooling pipeline system and the cooling exhaust pipeline system are respectively connected with the outlet end and the inlet end of the refrigeration unit;
the control unit is used for controlling the valves on the cold supply pipeline system and the cold discharge pipeline system according to the temperature in the accommodating cavity so as to enable the cold source to be selectively conveyed to the corresponding accommodating cavity.
All the accommodating cavities in the existing storage equipment share a cooling pipe, namely, after a cold source enters the cooling pipe from an inlet of the cooling pipe, the cold source sequentially supplies cold to all the accommodating cavities and then returns to the refrigerating unit from an outlet of the cooling pipe. When all the accommodating cavities in the storage equipment do not need to be cooled, refrigeration resource waste can be caused.
The refrigeration unit adopts the prior art, wherein the refrigeration unit can be a condenser or a heat exchanger; the cold source may be cooling water or a gaseous medium.
Because the cooling pipes are correspondingly arranged in each containing cavity uniformly, and the cooling pipes in each containing cavity are relatively independent, the cold source can be selectively conveyed to the corresponding containing cavity (the containing cavity which is used for storing fresh packages and has the temperature higher than a set value) by controlling the valves on the cold supply pipeline system and the cold discharge pipeline system, so that the cooling pipes in the corresponding containing cavity and the refrigerating unit form a circulation loop, and the problem of refrigeration resource waste caused by the adoption of a uniform refrigeration mode in the conventional storage equipment is avoided.
The fresh-keeping of the fresh packages usually considers the influence of high temperature on the fresh-keeping of the fresh packages, so that the temperature control device only performs cooling treatment on the accommodating cavity, but the temperature control device is not limited to cooling, and if storage equipment needs to perform heating treatment, the cold source is directly replaced by a heat source, and the refrigerating unit is replaced by a heating unit.
Further, the cooling pipeline system comprises a plurality of first pipelines; the inlets of any two horizontally adjacent cooling pipes and vertically adjacent cooling pipes are connected through first pipelines, first control valves are arranged on the first pipelines in a one-to-one correspondence manner, one of the first pipelines is connected with the outlet end of the refrigerating unit through a first main pipeline, and an inlet main valve is arranged on the first main pipeline; an inlet control valve is arranged at the inlet of the cooling pipe; the cooling pipeline system comprises a plurality of second pipelines, outlets of any two horizontally adjacent and vertically adjacent cooling pipes are connected through the second pipelines, second control valves are arranged on the second pipelines in one-to-one correspondence, and one of the second pipelines is connected with an inlet end of the refrigerating unit through a second main pipeline; an outlet main valve is arranged on the second pipeline, and an outlet control valve is arranged at the outlet of the cooling pipe.
Because the plurality of accommodating cavities are arranged in a matrix, namely the first pipelines for connecting the inlets of the adjacent two cooling pipes are arranged horizontally or vertically, wherein the first pipelines arranged horizontally are used for connecting the inlets of any two adjacent cooling pipes, the first pipelines arranged vertically are used for connecting the inlets of any two adjacent cooling pipes, and the second pipelines for connecting the outlets of the adjacent two cooling pipes are arranged horizontally or vertically, and the second pipelines arranged horizontally are used for connecting the outlets of any two adjacent cooling pipes, and the second pipelines arranged vertically are used for connecting the outlets of any two adjacent cooling pipes.
The arrangement mode can realize simplicity and regularity of the refrigeration cycle system, is convenient for positioning the accommodating cavities and the valves corresponding to the accommodating cavities, and can adopt a specific positioning mode for numbering in sequence, for example, the cabinet body is provided with 3 rows and 3 columns of accommodating cavities, the 9 accommodating cavities are numbered according to the directions from left to right and from top to bottom, and the 3 accommodating cavities in the first row are provided with 11#, 12#, 13#, from left to right in sequence; the 3 accommodating cavities in the second row are 21#, 22#, 23# in sequence from left to right; the 3 accommodation cavities in the third row are 31#, 32#, 33# in sequence from left to right.
Further, the first main pipe is connected with a first pipe near the intermediate position on one side of the refrigerating unit, and the second main pipe is connected with a second pipe near the intermediate position on one side of the refrigerating unit.
Further, the control unit comprises a plurality of temperature sensors, a plurality of infrared sensors, a plurality of first control valves, a plurality of inlet control valves, a plurality of second control valves, a plurality of outlet control valves, an inlet main valve, an outlet main valve and a cold source starting switch;
the temperature sensors and the infrared sensors are arranged in one-to-one correspondence with the accommodating cavities, and are used for acquiring the temperatures in the corresponding accommodating cavities in real time and transmitting the monitored temperature signals to the controller; the infrared sensor is used for monitoring whether fresh packages are stored in the corresponding accommodating cavity or not and transmitting a monitoring result to the controller;
the controller judges whether to open a cold source starting switch, an inlet main valve and an outlet main valve to provide cold source for the refrigeration cycle system according to the received temperature signals and judges whether to open a first control valve, an inlet control valve, a second control valve and an outlet control valve corresponding to the accommodating cavity.
Further, the control unit further comprises a path calculation module;
the path calculation module is in communication connection with the controller and is used for acquiring the position of the accommodating cavity needing cooling, calculating the shortest path of cold source conveying according to the position of the accommodating cavity needing cooling, and then sending the calculation result to the controller, wherein the controller controls the first control valve and the second control valve on the shortest path to be opened.
A control method of a temperature control device, comprising the steps of:
s1, an infrared sensor monitors whether packages are stored in corresponding accommodating cavities in real time, and transmits monitoring results to a controller; the temperature sensor collects the temperature in the corresponding accommodating cavity in real time and transmits the monitored temperature signal to the controller;
s2, the controller judges whether the corresponding accommodating cavity needs cooling treatment or not according to the received temperature signals and infrared signals, and screens out the accommodating cavity needing cooling treatment;
s3, when the accommodating cavity needs to be cooled, the controller controls to open an inlet control valve and an outlet control valve of a cooling pipe in the corresponding accommodating cavity, controls to open a first control valve and a second control valve which are used for communicating the cooling pipe in the corresponding accommodating cavity with a refrigerating unit, controls to open an inlet main valve, an outlet main valve and a cold source starting switch, and forms a circulation loop among the refrigerating unit, a cooling pipeline system, a cooling exhaust pipeline system and the cooling pipe in the corresponding accommodating cavity, and cooling of the accommodating cavity is realized by providing a cold source for the cooling pipe in the corresponding accommodating cavity;
s4, in the cooling process, the temperature sensor acquires the temperature in the corresponding accommodating cavity in real time and transmits the monitored temperature signal to the controller, and when the temperature in one accommodating cavity is reduced to a set value, the controller controls and closes the inlet control valve and the outlet control valve of the cooling pipe in the corresponding accommodating cavity and the corresponding first control valve and second control valve; when the temperature in all the accommodating cavities is reduced to the set value, the controller controls to close all the valves and the cold source starting switch to stop cooling the cabinet body.
Further, in step S3, when the accommodating cavity needs to be cooled, the controller transmits the position of the accommodating cavity which needs to be cooled to the path calculation module, the path calculation module calculates the shortest path of transportation according to the position of the accommodating cavity which needs to be cooled, and then sends the calculation result to the controller, and the controller controls the first control valve and the second control valve on the shortest path to be opened.
The storage equipment for fresh transportation comprises a cabinet body, wherein a plurality of accommodating cavities are arranged in the cabinet body, and the storage equipment further comprises the temperature control device;
the refrigerating unit comprises a box body and a refrigerating device;
the refrigerating device is arranged in the box body, and a refrigerating outlet and a refrigerating inlet which are respectively used for being connected with the cooling pipeline system and the cooling exhaust pipeline system are arranged on the refrigerating device.
Further, the refrigerator further comprises a refrigerator, wherein the refrigerator is stored with an ice bag, and the ice bag is used for quickly and transiently cooling the accommodating cavity.
The refrigerator adopts the prior art, and the refrigerator can be a freezer, so that water in the ice bag can be frozen into ice blocks.
Further, an insulating layer is arranged on the outer side of the cabinet body.
The heat preservation layer of the invention can well realize heat preservation in the accommodating cavity in the prior art, and is beneficial to reducing energy consumption.
The storage equipment adopts a mode of combining ice bags and circulating refrigeration to realize cooling treatment on the accommodating cavity:
after the express delivery person (delivery person) places the fresh packages in the accommodating cavity, taking out the ice bags from the refrigerated cabinet, and placing the ice bags in the accommodating cavity for short-term cooling; when the refrigerating effect of the ice bag can not meet the fresh-keeping requirement of fresh packages in the accommodating cavity, namely the temperature in the accommodating cavity is higher than a set value (a temperature threshold value meeting the fresh keeping of the fresh packages is arranged in a controller of the control unit), the control unit controls to start the refrigerating unit and controls the valves on the cold supply pipeline system and the cold discharge pipeline system to enable the cold source to be selectively conveyed to the corresponding accommodating cavity, so that the temperature of the corresponding accommodating cavity is reduced below the set value.
The using method of the warehousing equipment comprises the following steps:
step one, after an express delivery person places fresh packages in a containing cavity, taking out N ice bags from a refrigerated cabinet, and placing the N ice bags in the containing cavity for short-term cooling, wherein N is a positive integer;
and step two, the control unit monitors the temperature in the containing cavity containing the fresh packages in real time, and controls the valves on the cold supply pipeline system and the cold discharge pipeline system according to the monitored temperature to enable the cold source to be selectively conveyed into the corresponding containing cavity, so that the corresponding containing cavity is cooled to a set value.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the invention, the infrared sensor and the temperature sensor are arranged in the same accommodating cavity at the same time, so that whether fresh packages exist in the accommodating cavity or not can be judged according to the infrared sensor, and when no fresh packages exist in the accommodating cavity, the corresponding accommodating cavity does not need to be subjected to temperature control; when fresh packages are stored in the accommodating cavity, whether the accommodating cavity is fed with a cold source or not is judged according to a temperature signal monitored by the temperature sensor to control the temperature, and compared with the conventional unified refrigeration mode, the refrigerating resource is saved.
2. The storage equipment of the invention adopts a mode of combining ice bags and circulating refrigeration to realize cooling treatment on the accommodating cavity, and when fresh packages are temporarily stored; the ice bag can be directly adopted for refrigeration; when the fresh package storage time is long, the ice bag refrigeration disappears or weakens to the extent that the fresh package fresh-keeping requirement cannot be met, and the circulating refrigeration is utilized to cool the accommodating cavity to be cooled; effectively reducing the refrigeration resource waste.
3. According to the invention, the path calculation module is arranged, the shortest path for conveying the cold source is calculated according to the position of the accommodating cavity needing cooling, and then the calculation result is sent to the controller, and the controller controls the first control valve and the second control valve on the shortest path to be opened, so that all accommodating cavities needing cooling treatment can be cooled by the cold source through the shortest path, and the refrigeration resource is further saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:
FIG. 1 is a schematic front view of a warehouse facility of the present invention;
FIG. 2 is a schematic rear view of the warehouse facility of the present invention;
fig. 3 is a schematic block diagram of the control unit according to embodiment 1;
fig. 4 is a schematic block diagram of a control unit according to embodiment 2;
fig. 5 is a logic diagram of the present invention.
In the drawings, the reference numerals and corresponding part names:
1-a cooling pipeline system; 2-a cold drain pipeline system; 11-an inlet main valve; 12-a first pipe; 13-a first control valve; 21-an outlet main valve; 22-a second conduit; 23-a second control valve; 100-an insulating layer; 200-a cabinet body; 300-accommodating chambers; 400-refrigeration unit; 500-a refrigerated cabinet; 401-a box body; 402-a refrigeration device; 403-refrigeration inlet; 404-refrigeration outlet.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Example 1:
as shown in fig. 1 to 5, a temperature control apparatus for a storage facility includes a refrigeration unit 400, a refrigeration cycle system, and a control unit;
the refrigeration unit 400 is used for providing a cold source for the refrigeration cycle; the refrigeration unit 400 includes a refrigeration device 402, where the refrigeration device 402 may be a condenser, and the refrigeration device 402 is cooperatively provided with a cold start switch, and when the cold start switch is turned on, the refrigeration device 402 is capable of providing a cold source to the refrigeration cycle system.
The refrigeration cycle system is used for conveying cold sources to storage equipment, the storage equipment comprises a plurality of containing cavities 300 which are arranged in a matrix, the containing cavities 300 can be arranged in 3 rows and 3 columns as shown in fig. 1-2, or can be arranged in 4 rows and 4 columns, 6 rows and 6 columns and other matrixes, each containing cavity 300 is provided with a box door (not shown), each box door is provided with an operation panel and a coded lock (not shown), after a user finishes ordering on line, the system generates 6-bit codes and sends the 6-bit codes to distribution personnel, the distribution personnel inputs the codes on the operation panel, the box doors are opened, and fresh packages are placed in the containing cavities 300; the user uses the 6-bit password to open the box door to take out articles when the user is convenient, and the password is automatically disabled after the box door is closed.
The refrigeration cycle system comprises a plurality of cooling pipes, a cooling pipeline system 1 and a cooling exhaust pipeline system 2; the cooling pipes are in one-to-one correspondence with the accommodating cavities 300, the cooling pipeline system 1 is connected with inlets of a plurality of cooling pipes, and the cooling pipeline system 1 can selectively provide a cold source for one or more cooling pipes; the cold discharge pipeline system 2 is connected with outlets of a plurality of cooling pipes, and the cold discharge pipeline system 2 can selectively lead out cold sources of one or more cooling pipes; the cooling line system 1 and the cooling line system 2 are connected to a cooling outlet 404 and a cooling inlet 403 of the cooling unit 400, respectively.
The control unit is used for controlling the valves on the cold supply pipeline system 1 and the cold discharge pipeline system 2 according to the temperature in the accommodating cavity 300 so as to selectively convey the cold source to the corresponding accommodating cavity 300.
In one particular case, the cooling pipe system 1 comprises a number of first pipes 12; the inlets of any two horizontally adjacent and vertically adjacent cooling pipes are connected through a first pipeline 12, first control valves 13 are correspondingly arranged on the first pipelines 12 one by one, one first pipeline 12 is connected with a refrigeration outlet 404 of the refrigeration unit 400 through a first main pipeline, and an inlet main valve 11 is arranged on the first main pipeline; an inlet control valve is arranged at the inlet of the cooling pipe; the cold discharge pipeline system 2 comprises a plurality of second pipelines 22, wherein the outlets of any two horizontally adjacent and vertically adjacent cooling pipes are connected through the second pipelines 22, second control valves 23 are correspondingly arranged on the second pipelines 22 one by one, and one second pipeline 22 is connected with a refrigeration inlet 403 of the refrigeration unit 400 through a second main pipeline; an outlet main valve 21 is arranged on the second pipeline 22, and an outlet control valve is arranged at the outlet of the cooling pipe.
In a preferred case, the first main pipe is connected to the first pipe 12 at a position near the middle of the side of the refrigerating unit 400, and the second main pipe is connected to the second pipe 22 at a position near the middle of the side of the refrigerating unit 400.
In one specific case, the control unit comprises a plurality of temperature sensors, a plurality of infrared sensors, a plurality of first control valves 13, a plurality of inlet control valves, a plurality of second control valves 23, a plurality of outlet control valves, an inlet main valve 11, an outlet main valve 21 and a cold source start switch;
the temperature sensors and the infrared sensors are arranged in one-to-one correspondence with the accommodating cavities 300, and the temperature sensors are used for collecting the temperatures in the corresponding accommodating cavities 300 in real time and transmitting the monitored temperature signals to the controller; the infrared sensor is used for monitoring whether fresh packages are stored in the corresponding accommodating cavity 300 or not and transmitting the monitoring result to the controller;
the controller judges whether to open the cold source start switch, the inlet main valve 11 and the outlet main valve 21 to supply cold source to the refrigeration cycle system according to the received temperature signal, and judges whether to open the first control valve 13, the inlet control valve, the second control valve 23 and the outlet control valve corresponding to the accommodating chamber 300.
In this embodiment, in order to facilitate corresponding control, a plurality of accommodating chambers 300 are numbered sequentially, and meanwhile, a temperature sensor, an infrared sensor, a first control valve 13 and a second control valve 23 are numbered, wherein one numbering mode is as follows:
the pockets 300 are numbered from left to right, top to bottom, denoted KL, where K represents a row and L represents a column, for example: reference numeral 13 denotes a receiving chamber 300 corresponding to the third row of the first row; the temperature sensor and the infrared sensor correspond to the number of the accommodating cavity 300; the first control valve 13 and the second control valve 23 are divided into row-wise valves and column-wise valves, wherein the number of row-wise valves is 1 less than the number of row-wise receiving chambers 300, and the number of column-wise valves is 1 less than the number of column-wise receiving chambers 300.
Illustratively: as shown in fig. 1 and 2, the warehouse facility includes 3 rows and 3 columns of accommodating chambers 300, wherein the cooling pipe inlet in each accommodating chamber 300 is located at the lower right corner of the accommodating chamber 300, the cooling pipe outlet is located at the upper left corner of the accommodating chamber 300, the 9 accommodating chambers are numbered according to the left-to-right and top-to-bottom directions, and the 3 accommodating chambers in the first row (first row) are sequentially 11#, 12#, and 13#, from left to right; the 3 accommodating cavities in the second row are 21#, 22#, 23# in sequence from left to right; the 3 accommodation cavities in the third row are 31#, 32#, 33# in sequence from left to right. Correspondingly, the first row of the temperature sensors in the 9 accommodating cavities is 11T#, 12T #, 13T #; the 3 accommodation cavities in the second row are 21T #, 22T #, 23T # in sequence from left to right; the 3 accommodating cavities in the third row are 31T #, 32T #, 33T #, in sequence from left to right, wherein T represents temperature; the first row of the 9 infrared sensors in the accommodating cavities is 11W#, 12W #, 13W #; the 3 accommodation cavities in the second row are 21W #, 22W #, 23W # in sequence from left to right; the 3 accommodating cavities in the third row are 31W #, 32W #, 33W #, and W represents infrared rays in sequence from left to right; inlet control valves corresponding to the 9 accommodating chambers: the 3 accommodating cavities in the first row are 11r#, 12 r #, 13 r #, in sequence from left to right; the 3 accommodation cavities in the second row are 21 r #, 22 r #, 23 r # in sequence from left to right; the 3 accommodating cavities in the third row are 31 r #, 32 r #, 33 r # in sequence from left to right; outlet control valves corresponding to the 9 accommodating chambers: the 3 accommodating cavities in the first row are 11c#, 12c #, 13c #, in sequence from left to right; the 3 accommodation cavities in the second row are 21c #, 22c #, 23 c # in sequence from left to right; the 3 accommodation cavities in the third row are 31c #, 32c #, 33 c #, in sequence from left to right, where r represents the inlet and c represents the outlet.
The first pipelines 12 in the row direction corresponding to the 3 rows and 3 columns of accommodating chambers 300 are 3 rows and 2 columns; the first pipeline 12 in the column direction is 2 rows and 3 columns; the second pipeline 22 in the row direction is 3 rows and 2 columns; the second conduits 22 in the column direction are 2 rows and 3 columns. Correspondingly, the first control valves 13 in the row direction are respectively denoted as 11jh#, 12jh#, 21jh#, 22jh#, 31jh#, 32 jh#. Where j represents the first pipe 12 and h represents the row direction; the first control valves 13 in the column direction are respectively designated 11jl#、12jl#、13jl#、21jl#、22jl#、23jl# a #; where j represents the first conduit 12,lrepresenting the column direction; and the same is done; the second control valves 23 in the row direction are respectively 11ch#, 12ch#, 21ch#, 22ch#, 31ch#, 32ch#; where c represents the second pipe 22 and h represents the row direction; the second control valves 23 in the column direction are respectively designated 11cl#、12cl#、13cl#、21cl#、22cl#、23cl# a #; wherein c denotes a second conduit 22,lrepresenting the column direction.
T, W, j, h, c in the present embodiment,lThe numbers of the different parts are different and have no special meaning.
As shown in fig. 5, the control method of the temperature control device according to the present embodiment includes the following steps:
s1, an infrared sensor monitors whether packages are stored in corresponding accommodating cavities 300 in real time, and transmits monitoring results to a controller; the temperature sensor acquires the temperature in the corresponding accommodating cavity 300 in real time and transmits a monitored temperature signal to the controller;
s2, the controller judges whether the corresponding accommodating cavity 300 needs cooling treatment or not according to the received temperature signals and infrared signals, and screens out the accommodating cavity 300 needing cooling treatment;
specifically: detecting whether fresh packages are stored in the accommodating cavities 300 or not by using the infrared sensors, and if not, not starting circulating refrigeration for cooling the corresponding accommodating cavities 300; if the fresh package is detected in the accommodating cavity 300, the controller judges whether the temperature in the accommodating cavity 300 reaches a temperature threshold set in the controller according to a temperature signal monitored by a temperature sensor in the accommodating cavity 300, and if the temperature does not reach the set temperature threshold, the controller judges that the accommodating cavity 300 does not need to be subjected to cooling treatment; if the set temperature threshold is reached, judging that the accommodating cavity 300 needs to be subjected to cooling treatment, and screening out the number corresponding to the accommodating cavity 300;
s3, when the accommodating cavity 300 needs to be cooled, the controller controls to open an inlet control valve and an outlet control valve of a cooling pipe in the corresponding accommodating cavity 300, controls to open a first control valve 13 and a second control valve 23 which are used for communicating the cooling pipe in the corresponding accommodating cavity 300 with the refrigerating unit 400, controls to open an inlet main valve 11, an outlet main valve 21 and a cold source starting switch, and a circulation loop is formed among the refrigerating unit 400, the cooling pipeline system 1, the cooling exhaust pipeline system 2 and the cooling pipe in the corresponding accommodating cavity 300, so that the cooling of the accommodating cavity 300 is realized by providing a cold source for the cooling pipe in the corresponding accommodating cavity 300;
s4, in the cooling process, the temperature sensor acquires the temperature in the corresponding accommodating cavity 300 in real time and transmits the monitored temperature signal to the controller, and when the temperature in one accommodating cavity 300 is reduced to a set value, the controller controls to close an inlet control valve and an outlet control valve of a cooling pipe in the corresponding accommodating cavity 300 and corresponding first control valve 13 and second control valve 23; when the temperatures in all the accommodating chambers 300 are reduced to the set values, the controller controls to close all the valves and the cold source starting switch to stop cooling the cabinet 200.
In this embodiment, the cooling pipes are disposed in each accommodating cavity 300 in a corresponding manner, and the cooling pipes in each accommodating cavity 300 are relatively independent, so that the cold source can be selectively conveyed to the corresponding accommodating cavity 300 (accommodating cavity with fresh package stored therein and with temperature higher than a set value) by controlling the valves on the cold supply pipeline system 1 and the cold discharge pipeline system 2, so that the cooling pipes in the corresponding accommodating cavity 300 and the refrigerating unit form a circulation loop, and the problem of refrigeration resource waste caused by the adoption of a uniform refrigeration mode in the existing storage equipment is avoided.
Illustratively: as shown in fig. 1 and 2; when the containing chambers 300 numbered 11# and 12# need to be subjected to cooling treatment, the controllers control the inlet control valves 1 of the cooling pipes in the 11# and 12# containing chambers 3001r# and the outlet control valve 11c# are opened, and the control numbers are 11jh#, 12jh# and 13j when the inlet main valve 11, the outlet main valve 21 and the cold source start switch are controlled to be openedlThe first control valve 13 of # is opened, and the first control valves 13 of other numbers remain closed; at the same time control number is 11ch#, 12ch#, 13clThe second control valve 23 of # is opened and the other numbered second control valves 23 remain closed.
After entering the cooling pipeline system 1 from the inlet main valve 11, the cold source sequentially passes through the number 13jlThe first control valves 13 of # and 12jh# enter the cooling pipe in the 12# accommodating cavity 300 and sequentially pass through the cooling pipe with the number of 13jlThe first control valves 13 of # 12jh #, 11jh #, and then enter the cooling pipe in the 11# accommodating cavity 300; the cold source discharged from the outlet of the cooling pipe in the 11# receiving chamber 300 sequentially passes through 11ch#, 12ch#, 13clThe # outlet main valve 21 and the refrigerating inlet 403 return to the refrigerating device 402 for refrigeration, and after the refrigeration is finished, the cold source enters the cooling pipeline system 1 from the inlet main valve 11 for continuous cooling.
Example 2:
as shown in fig. 4, the present embodiment is based on embodiment 1, in which the control unit further includes a path calculation module;
the path calculation module is in communication connection with the controller, and is used for obtaining the position of the accommodating cavity 300 needing cooling, calculating the shortest path of cold source conveying according to the position of the accommodating cavity 300 needing cooling, and then sending the calculation result to the controller, wherein the controller controls the first control valve 13 and the second control valve 23 on the shortest path to be opened.
According to the embodiment, the path calculation module is arranged, the shortest path for conveying the cold source is calculated according to the position of the receiving cavity needing cooling, then the calculation result is sent to the controller, the controller controls the first control valve and the second control valve on the shortest path to be opened, all receiving cavities needing cooling treatment can be cooled by the cold source through the shortest path, and refrigerating resources are further saved.
The control method of the present embodiment includes the steps of:
s1, an infrared sensor monitors whether packages are stored in corresponding accommodating cavities 300 in real time, and transmits monitoring results to a controller; the temperature sensor acquires the temperature in the corresponding accommodating cavity 300 in real time and transmits a monitored temperature signal to the controller;
s2, the controller judges whether the corresponding accommodating cavity 300 needs cooling treatment or not according to the received temperature signals and infrared signals, and screens out the accommodating cavity 300 needing cooling treatment;
s3, when the accommodating cavity 300 needs to be cooled, the controller transmits the position of the accommodating cavity 300 which is screened out and needs to be cooled to the path calculation module, the path calculation module calculates the shortest conveying path according to the position of the accommodating cavity 300 which needs to be cooled, then the calculation result is sent to the controller, and the controller controls and opens the first control valve 13 and the second control valve 23 which are used for communicating the cooling pipe in the corresponding accommodating cavity 300 with the refrigerating unit 400 on the shortest path; meanwhile, the controller controls to open an inlet control valve and an outlet control valve of a cooling pipe in the corresponding accommodating cavity 300, controls to open an inlet main valve 11, an outlet main valve 21 and a cold source starting switch, a circulation loop is formed among the refrigerating unit 400, the cooling pipeline system 1, the cooling exhaust pipeline system 2 and the cooling pipe in the corresponding accommodating cavity 300, and cooling of the accommodating cavity 300 is realized by providing a cold source for the cooling pipe in the corresponding accommodating cavity 300;
s4, in the cooling process, the temperature sensor acquires the temperature in the corresponding accommodating cavity 300 in real time and transmits the monitored temperature signal to the controller, and when the temperature in one accommodating cavity 300 is reduced to a set value, the controller controls to close an inlet control valve and an outlet control valve of a cooling pipe in the corresponding accommodating cavity 300 and corresponding first control valve 13 and second control valve 23; when the temperatures in all the accommodating chambers 300 are reduced to the set values, the controller controls to close all the valves and the cold source starting switch to stop cooling the cabinet 200.
Example 3:
as shown in fig. 1 to 5, a storage device for fresh transportation includes a cabinet body 200, a plurality of accommodating chambers 300 are provided in the cabinet body 200, an insulation layer is provided on the outer side of the cabinet body 200, and a temperature control device as described in embodiment 1 or embodiment 2 is further included;
the refrigeration unit 400 includes a case 401 and a refrigeration device 402; the refrigerating device 402 is installed in the box 401, the box 401 is fixed on one side wall of the cabinet 200, and the refrigerating device 402 is provided with a refrigerating outlet 404 and a refrigerating inlet 403; the refrigeration device 402 may be a condenser, and the refrigeration device 402 is cooperatively provided with a cold start switch, and when the cold start switch is turned on, the refrigeration device 402 is capable of providing a cold source to the refrigeration cycle system.
In a preferred embodiment, the refrigerator 500 further comprises a refrigerator 500, and an ice bag is stored in the refrigerator 500, wherein the ice bag is used for accommodating the rapid and short cooling of the cavity 300.
The ice bag is stored in the refrigerator 500, the ice bag is placed in the accommodating cavity 300 to realize rapid and short-term cooling in the accommodating cavity 300, the refrigerator 500 is arranged on one side of the cabinet body 200, and preferably, the refrigerator 500 and the refrigerating unit 400 are arranged on the same side of the cabinet body 200.
The storage device of the embodiment adopts a mode of combining ice bags and circulating refrigeration to realize cooling treatment on the accommodating cavity 300, and when fresh packages are temporarily stored; the ice bag can be directly adopted for refrigeration; when the fresh package storage time is long, the ice bag refrigeration disappears or weakens to the extent that the fresh package fresh-keeping requirement cannot be met, the containing cavity 300 needing to be cooled is cooled by utilizing the circulating refrigeration; effectively reducing the refrigeration resource waste.
The application method of the embodiment comprises the following steps:
step one, after an express delivery person places fresh packages in the accommodating cavity 300, taking out N ice bags from the refrigerator 500, and placing the N ice bags in the accommodating cavity 300 for short-term cooling, wherein N is a positive integer;
and step two, the control unit monitors the temperature in the containing fresh package containing cavity 300 in real time, and controls the valves on the cold supply pipeline system 1 and the cold discharge pipeline system 2 according to the monitored temperature to enable the cold source to be selectively conveyed into the corresponding containing cavity 300, so that the corresponding containing cavity 300 is cooled to a set value.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are for understanding and reading only by those skilled in the art, and are not intended to limit the scope of the invention, so that any structural modifications, proportional changes, or size adjustments should fall within the scope of the invention without affecting the efficacy and achievement of the present invention. Also, the terms such as "upper", "lower", "left", "right", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the invention for which the invention may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.
Claims (7)
1. The temperature control device for the storage equipment is characterized by comprising a refrigeration unit (400), a refrigeration cycle system and a control unit;
the refrigeration unit (400) is used for providing a cold source for the refrigeration cycle system;
the refrigeration cycle system is used for conveying cold sources to storage equipment, and the storage equipment comprises a plurality of accommodating cavities (300) which are arranged in a matrix; the refrigeration cycle system comprises a plurality of cooling pipes, a cooling pipeline system (1) and a cooling exhaust pipeline system (2); the cooling pipes are in one-to-one correspondence with the accommodating cavities (300), the cooling pipeline system (1) is connected with inlets of the cooling pipes, and the cooling pipeline system (1) can selectively provide a cooling source for one or more cooling pipes; the cold discharge pipeline system (2) is connected with outlets of a plurality of cooling pipes, and the cold discharge pipeline system (2) can selectively guide out cold sources of one or more cooling pipes; the cooling pipeline system (1) and the cooling pipeline system (2) are respectively connected with the outlet end and the inlet end of the refrigeration unit (400);
the control unit is used for controlling valves on the cold supply pipeline system (1) and the cold discharge pipeline system (2) according to the temperature in the accommodating cavity (300) so as to enable the cold source to be selectively conveyed to the corresponding accommodating cavity (300);
the cooling pipeline system (1) comprises a plurality of first pipelines (12); the inlets of any two horizontally adjacent cooling pipes and vertically adjacent cooling pipes are connected through first pipelines (12), first control valves (13) are arranged on the first pipelines (12) in one-to-one correspondence, one first pipeline (12) is connected with the outlet end of a refrigerating unit (400) through a first main pipeline, and an inlet main valve (11) is arranged on the first main pipeline; an inlet control valve is arranged at the inlet of the cooling pipe; the cold discharge pipeline system (2) comprises a plurality of second pipelines (22), outlets of any two horizontally adjacent and vertically adjacent cooling pipes are connected through the second pipelines (22), second control valves (23) are correspondingly arranged on the second pipelines (22) one by one, and one second pipeline (22) is connected with an inlet end of the refrigerating unit (400) through a second main pipeline; an outlet main valve (21) is arranged on the second pipeline (22), and an outlet control valve is arranged at the outlet of the cooling pipe;
the first main pipeline is connected with a first pipeline (12) close to the middle position on one side of the refrigerating unit (400), and the second main pipeline is connected with a second pipeline (22) close to the middle position on one side of the refrigerating unit (400);
the control unit comprises a plurality of temperature sensors, a plurality of infrared sensors, a plurality of first control valves (13), a plurality of inlet control valves, a plurality of second control valves (23), a plurality of outlet control valves, an inlet main valve (11), an outlet main valve (21) and a cold source starting switch;
the temperature sensors and the infrared sensors are arranged in one-to-one correspondence with the accommodating cavities (300), and the temperature sensors are used for collecting the temperatures in the corresponding accommodating cavities (300) in real time and transmitting the monitored temperature signals to the controller; the infrared sensor is used for monitoring whether fresh packages are stored in the corresponding accommodating cavity (300) or not and transmitting a monitoring result to the controller;
the controller judges whether to open a cold source starting switch, an inlet main valve (11) and an outlet main valve (21) to provide cold sources for the refrigeration cycle system and judges whether to open a first control valve (13), an inlet control valve, a second control valve (23) and an outlet control valve corresponding to the accommodating cavity (300) according to the received temperature signals.
2. The temperature control device for a warehouse facility of claim 1, wherein the control unit further comprises a path computation module;
the path calculation module is in communication connection with the controller and is used for acquiring the position of the accommodating cavity (300) needing cooling, calculating the shortest path of cold source conveying according to the position of the accommodating cavity (300) needing cooling, and then sending the calculation result to the controller, wherein the controller controls the opening of the first control valve (13) and the second control valve (23) on the shortest path.
3. A control method of a temperature control device for a warehouse facility according to claim 1 or 2, comprising the steps of:
s1, an infrared sensor monitors whether packages are stored in corresponding accommodating cavities (300) in real time, and transmits monitoring results to a controller; the temperature sensor collects the temperature in the corresponding accommodating cavity (300) in real time and transmits the monitored temperature signal to the controller;
s2, the controller judges whether the corresponding accommodating cavity (300) needs cooling treatment or not according to the received temperature signals and infrared signals, and screens out the accommodating cavity (300) needing cooling treatment;
s3, when the accommodating cavity (300) needs to be cooled, the controller controls to open an inlet control valve and an outlet control valve of a cooling pipe in the corresponding accommodating cavity (300), controls to open a first control valve (13) and a second control valve (23) which are used for communicating the cooling pipe in the corresponding accommodating cavity (300) with the refrigerating unit (400), controls to open an inlet main valve (11), an outlet main valve (21) and a cold source starting switch, and a circulation loop is formed among the refrigerating unit (400), the cold supply pipeline system (1), the cold discharge pipeline system (2) and the cooling pipe in the corresponding accommodating cavity (300) to realize cooling of the accommodating cavity (300) by providing a cold source for the cooling pipe in the corresponding accommodating cavity (300);
s4, in the cooling process, the temperature sensor acquires the temperature in the corresponding accommodating cavity (300) in real time and transmits the monitored temperature signal to the controller, and when the temperature in one accommodating cavity (300) is reduced to a set value, the controller controls and closes an inlet control valve and an outlet control valve of a cooling pipe in the corresponding accommodating cavity (300) and the corresponding first control valve (13) and second control valve (23); when the temperature in all the accommodating cavities (300) is reduced to a set value, the controller controls to close all the valves and the cold source starting switch to stop cooling the cabinet body (200).
4. A control method according to claim 3, wherein in step S3, when there is a need for cooling of the accommodating chamber (300), the controller transmits the position of the accommodating chamber (300) selected to be subjected to cooling treatment to the path calculation module, the path calculation module calculates the shortest path of transportation according to the position of the accommodating chamber (300) to be cooled, and then sends the calculation result to the controller, and the controller controls the first control valve (13) and the second control valve (23) on the shortest path to be opened.
5. A storage device for fresh transportation, characterized by comprising a cabinet body (200), wherein a plurality of accommodating cavities (300) are arranged in the cabinet body (200), and a temperature control device as claimed in any one of claims 1-2 is further included;
the refrigeration unit (400) comprises a box body (401) and a refrigeration device (402);
the refrigerating device (402) is arranged in the box body (401), and a refrigerating outlet (404) and a refrigerating inlet (403) which are respectively used for being connected with the cooling pipeline system (1) and the cooling pipeline system (2) are arranged on the refrigerating device (402).
6. The storage facility for fresh transportation of claim 5, further comprising a refrigerated cabinet (500), wherein ice packs are stored in the refrigerated cabinet (500) for rapid brief cooling of the receiving cavity (300).
7. The warehousing equipment for fresh transportation according to claim 5, wherein an insulation layer (100) is provided on the outside of the cabinet (200).
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| CN202310232393.8A CN115930544B (en) | 2023-03-13 | 2023-03-13 | Temperature control device and control method for storage equipment and storage equipment |
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| CN202310232393.8A CN115930544B (en) | 2023-03-13 | 2023-03-13 | Temperature control device and control method for storage equipment and storage equipment |
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